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Finding the Fourth Proportional to 326,782.25, 451,001.78 and 183,542.28

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Solution

The fourth proportional to 326,782.25, 451,001.78 and 183,542.28 is: 253,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,782.25 : 451,001.78 = 183,542.28 : x
  2. Step 2: Convert to fraction form
    326,782.25/451,001.78 = 183,542.28/x
  3. Step 3: Cross multiply
    326,782.25x = 451,001.78 × 183,542.28
  4. Step 4: Simplify right side
    326,782.25x = 82,777,894,067.55
  5. Step 5: Solve for x
    x = 82,777,894,067.55/326,782.25
  6. Step 6: Final answer
    x = 253,312.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.